1213233230012 has 48 divisors (see below), whose sum is σ = 2166924312000. Its totient is φ = 594226590720.

The previous prime is 1213233229963. The next prime is 1213233230021. The reversal of 1213233230012 is 2100323323121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213233230012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83959364 + ... + 83973812.

It is an arithmetic number, because the mean of its divisors is an integer number (45144256500).

Almost surely, 2^{1213233230012} is an apocalyptic number.

It is an amenable number.

1213233230012 is a deficient number, since it is larger than the sum of its proper divisors (953691081988).

1213233230012 is a wasteful number, since it uses less digits than its factorization.

1213233230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16406 (or 16404 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1213233230012 its reverse (2100323323121), we get a palindrome (3313556553133).

The spelling of 1213233230012 in words is "one trillion, two hundred thirteen billion, two hundred thirty-three million, two hundred thirty thousand, twelve".